Ответ:
Объяснение:
(х+2)(х² — 2х + 4) — х(х – 3)(х+3) = x³ + 8 - x(x²-9) = x³ + 8 - x³ + 9x = 9x+8 = 9*1 + 8 = 17
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Ответ:
Объяснение:
(х+2)(х² — 2х + 4) — х(х – 3)(х+3) = x³ + 8 - x(x²-9) = x³ + 8 - x³ + 9x = 9x+8 = 9*1 + 8 = 17